datetime AAAA-MM-DD hh:mm:ss[.nnn] 1753-01-01 a 9999-12-31 0,00333 segundo 8 datetime2 AAAA-MM-DD hh:mm:ss[.nnnnnnn] 0001-01-01 00:00:00.0000000 a 9999-12-31 23:59:59.9999999 100 nanossegundos 6 a 8 ...